The aim of this study was to determine the differences of intensive and semi-intensive rearing systems on the performance of female Tegal ducks in feed composition and consumption of nutrients, feed conversion, and egg production. The study was conducted in April -May 2018 at Bulu farmer groups farm in Bulu Village, Pemalang District, Central Java. The material used in the study was 2265 female Tegal ducks from 13 farmers at the KTT Bulusari consisting of 6 semi-intensive breeders and 7 intensive rearing systems. Tegal duck were reared for 40 days. This research was a quantitative descriptive research that interpreted data from research samples, analyzed by the Mann-Whitney test. The results showed that the of feed and HDP of female Tegal ducks that were reared intensively was 7.09 and 57.57%, while the ducks that were kept semi-intensive were 1.43 and 58.84%. Semi-intensive rearing system is more profitable because less feed can produce optimal productivity.
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